Question

5 bricklayers can lay a total of 50 bricks in 30 minutes.
How many bricklayers will be required to lay a total of 60 bricks in 18 minutes?

Answer 1

Answer:

10 bricklayers

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Answer 2

Answer:4 layers

Step-by-step explanation:

First you compare the number of layers and the bricks

By saying

If 5 layers accomodate 50 bricks how many layers will accomodate 60 bricks

60 bricks are more and therefore will require more layers and so you will come up with a fraction showing the comparison 60/50

Then you compare the number of layers and the time

By saying

If 5 layers are made in 30 minutes how many layers are made in 18 minutes

18 minutes are less and therefore less layers will be made and so you will come up with a fraction showing the comparison 18/30

Finally you will multiply the fractions with the value used to compare

60/50×18/30×5=3.6

Considering that there are no decimals or fractions of layers you will round up hence the answer 4 layers